Leonardo Z. Ferreira

ORCID: 0000-0001-7843-9345
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About
Contact & Profiles
Research Areas
  • Global Maternal and Child Health
  • Child Nutrition and Water Access
  • Food Security and Health in Diverse Populations
  • Global Health Care Issues
  • Healthcare Systems and Reforms
  • Demographic Trends and Gender Preferences
  • Global Public Health Policies and Epidemiology
  • Poverty, Education, and Child Welfare
  • Nutritional Studies and Diet
  • Health disparities and outcomes
  • Vaccine Coverage and Hesitancy
  • Insurance, Mortality, Demography, Risk Management
  • Health, Environment, Cognitive Aging
  • Reproductive Health and Contraception
  • Influenza Virus Research Studies
  • COVID-19 epidemiological studies
  • Clinical Nutrition and Gastroenterology
  • Breastfeeding Practices and Influences
  • Human Rights and Development
  • Urban and Rural Development Challenges
  • Digital Mental Health Interventions
  • COVID-19 Impact on Reproduction
  • Mental Health Research Topics
  • Occupational Health and Performance
  • Child Nutrition and Feeding Issues

Universidade Federal de Pelotas
2017-2024

Manitoba Health
2023

University of Manitoba
2023

Johns Hopkins University
2023

African Population and Health Research Center
2023

Bloomberg (United States)
2023

Hospital Samaritano de São Paulo
2023

2Postgraduate Program in Epidemiology, Federal University of Pelotas, Brazil.The Sustainable Development Goals call for inclusive, equitable and quality learning opportunities all. This is especially important children, to ensure they all develop their full potential. We studied the prevalence inequalities suspected delay child development 63 low- middle-income countries.We used early module from national health surveys, which covers four developmental domains (physical, social-emotional,...

10.7189/jogh.10.010427 article EN cc-by Journal of Global Health 2020-06-01

BackgroundLatin American and Caribbean populations include three main ethnic groups: indigenous people, people of African descent, European descent. We investigated inequalities among these groups in population coverage with reproductive, maternal, newborn, child health interventions.MethodsWe analysed 16 standardised, nationally representative surveys carried out from 2004 to 2015 Latin America the that provided information on ethnicity or a proxy indicator (household language skin colour)...

10.1016/s2214-109x(18)30300-0 article EN cc-by The Lancet Global Health 2018-07-15

Birth registration, and the possession of a birth certificate as proof has long been recognized fundamental human right. Data from functioning civil registration vital statistics (CRVS) system allows governments to benefit accurate universal data on death rates. However, access certificates remains challenging unequal in many low middle-income countries. This paper examines wealth, urban/rural gender inequalities coverage. We analyzed nationally representative household surveys 94 countries...

10.1186/s12939-017-0635-6 article EN cc-by International Journal for Equity in Health 2017-08-18

Resumo O objetivo deste artigo é apresentar os principais métodos de mensuração e monitoramento das desigualdades sociais em saúde ilustrar suas aplicações. Foram revisadas as medidas mais frequentemente empregadas na literatura. Dados cobertura qualidade do cuidado pré-natal no Brasil, provenientes da Pesquisa Nacional Demografia Saúde Criança Mulher (PNDS-2006) (PNS-2013), foram utilizados para exemplificar Medidas desigualdade absoluta relativa apresentadas, destacando-se sua...

10.5123/s1679-49742018000100017 article PT cc-by-nc Epidemiologia e Serviços de Saúde 2018-03-01

Introduction Wealth-related inequalities in reproductive, maternal, neonatal and child health have been widely studied by dividing the population into quintiles. We present a comprehensive analysis of wealth for composite coverage index (CCI) using national surveys carried out since 2010, deciles absolute income estimates as stratification variables, show how these new approaches expand on traditional equity analyses. Methods 83 low-income middle-income countries were studied. The CCI is...

10.1136/bmjgh-2019-002229 article EN cc-by BMJ Global Health 2020-01-01

Abstract Identifying and classifying poor rich groups in cities depends on several factors. Using data from available nationally representative surveys 38 sub-Saharan African countries, we aimed to identify, through different poverty classifications, the best classification urban large city contexts. Additionally, characterized terms of living standards schooling. We relied absolute relative measures identification process. For ones, selected people below line, socioeconomic deprivation...

10.1007/s11524-023-00805-z article EN cc-by Journal of Urban Health 2024-01-09

Abstract The place of residence is a major determinant RMNCH outcomes, with rural areas often lagging in sub-Saharan Africa. This long-held pattern may be changing given differential progress across and increasing urbanization. We assessed inequalities child mortality coverage capital cities other urban areas. analyzed data from 163 DHS MICS 39 countries the most recent survey conducted between 1990 2020 countries. inequality trends neonatal under-five using multilevel linear regression...

10.1007/s11524-023-00820-0 article EN cc-by Journal of Urban Health 2024-05-20

Abstract Objective To evaluate the type of contraceptives used by women in need family planning India and inequalities associated with that use according to women's age, education, wealth, subnational region residence empowerment level. Methods Using data from Indian National Family Health Survey-4 (2015–2016), we evaluated proportion partnered aged 15–49 years demand for satisfied (DFPS) modern contraceptive methods. We also explored share each contraception [short- (e.g., condom, pill)...

10.1186/s12978-021-01220-w article EN cc-by Reproductive Health 2021-08-21

Identification of unvaccinated children is important for preventing deaths due to infections. Number siblings and birth order have been postulated as risk factors zero-dose prevalence.

10.1016/j.eclinm.2024.102547 article EN cc-by EClinicalMedicine 2024-03-16

Abstract Background With the adoption of Sustainable Development Goals (SDGs), there is a renewed commitment tackling varied challenges undernutrition, particularly stunting (SDG 2.2). Health equity also priority in SDG agenda and an urgent need for disaggregated analyses to identify disadvantaged subgroups. We compared time trends socioeconomic inequalities obtained through stratification by wealth quintiles deciles prevalence. Methods used 37 representative Demographic Surveys Multiple...

10.1186/s12939-019-1046-7 article EN cc-by International Journal for Equity in Health 2019-10-15

Abstract Background Monitoring health inequalities is an important task for research and policy, to uncover who being left behind – where inform effective equitable policies programmes tackle existing inequities. The choice of which measure use monitor analyse thereby not trivial. This article explores a new socioeconomic deprivation status (SDS) inequalities. Methods SDS was constructed using the Alkire-Foster method. It includes eight indicators across two equally weighted dimensions...

10.1186/s12939-022-01661-0 article EN cc-by International Journal for Equity in Health 2022-04-23

Objective To investigate whether sub-Saharan African countries have succeeded in reducing wealth-related inequalities the coverage of reproductive, maternal, newborn and child health interventions.Methods We analysed survey data from 36 countries, grouped into Central, East, Southern West Africa subregions, which at least two surveys had been conducted since 1995.We calculated composite index, a function essential maternal intervention parameters.We adopted wealth divided quintiles poorest...

10.2471/blt.19.249078 article EN cc-by Bulletin of the World Health Organization 2020-04-08

Abstract Rapid urbanization is likely to be associated with suboptimal access essential health services. This especially true in cities from sub-Saharan Africa (SSA), where outpacing improvements infrastructure. We assessed the current situation regard several markers of maternal, newborn, and child health, including indicators coverage interventions (demand for family planning satisfied modern methods, at least four antenatal care visits (ANC4+), institutional birth, three doses DPT...

10.1007/s11524-023-00806-y article EN cc-by Journal of Urban Health 2023-12-18

Abstract ObjectiveTo evaluate the type of contraceptives used by women in need family planning India and inequalities associated with that use according to women's age, education, wealth, subnational region residence empowerment level.MethodsUsing data from Indian National Family Health Survey-4 (2015-16), we evaluated proportion partnered aged 15-49 years demand for satisfied (DFPS) modern contraceptive methods. We also explored share each contraception (short- [e.g., condom, pill]...

10.21203/rs.3.rs-148520/v1 preprint EN cc-by Research Square (Research Square) 2021-01-19

Abstract Background The composite coverage index (CCI) provides an integrated perspective towards universal health in the context of reproductive, maternal, newborn and child health. Given sample design most household surveys does not provide estimates below first administrative level, approaches for achieving more granular are needed. We used a model-based geostatistical approach to estimate CCI at multiple resolutions Peru. Methods generated eight indicators on which is based departments,...

10.1186/s12889-022-14371-7 article EN cc-by BMC Public Health 2022-11-17

Abstract Introduction In Latin America, ethnic disparities rooted in the colonial legacy have persisted. There is limited scientific evidence critically analyzing temporal changes inequalities reproductive, maternal, neonatal, and child health (RMNCH), potential impact of policies on progress reducing these gaps for Indigenous peoples. After 2000 crisis, Ecuador had region’s largest intervention coverage social determinants due to structural racism. Inclusion improved starting 2008. The main...

10.1101/2024.10.04.24314912 preprint EN cc-by-nc medRxiv (Cold Spring Harbor Laboratory) 2024-10-06

Abstract The place of residence is a major determinant RMNCH outcomes, with rural areas often lagging in sub-Saharan Africa. This long-held pattern may be changing given differential progress across and increasing urbanization. We assessed inequalities child mortality coverage capital cities, other urban areas. analyzed data from 162 DHS MICS 39 countries the most recent survey conducted between 1990 2020, countries. inequality trends neonatal under-five using multilevel linear regression...

10.21203/rs.3.rs-2693691/v1 preprint EN cc-by Research Square (Research Square) 2023-03-21

Introduction: The Sustainable Development Goals call for inclusive, equitable and quality learning opportunities all. This is especially important children, to ensure they all develop their full potential, but previous studies have shown that a large number of children are at risk poor development. We studied the prevalence inequalities delay in child development 63 low- middle-income countries. Methods: used data on early module was introduced national health surveys. instrument covers four...

10.2139/ssrn.3386281 article EN SSRN Electronic Journal 2019-01-01

Background: Identification of zero-dose children, or those who fail to receive any vaccines, is important for preventing deaths due infectious diseases. Family size and birth order have been postulated as risk factors low immunization coverage.Methods: We used nationally representative surveys from 94 middle-income countries with information on status children aged 12-35 months study prevalence, defined failure doses DPT (diphtheria-pertussis-tetanus) vaccine. examined associations the...

10.2139/ssrn.4632956 preprint EN 2023-01-01
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